[LLVMdev] struct alignment question

[Reid Kleckner]

Maybe.  Usually people who want this do something like:

Y = { c, d, e }
X = { a, b, Y }


On Tue, Nov 19, 2013 at 12:04 PM, edA-qa mort-ora-y <eda-qa at disemia.com>wrote:

> On 19/11/13 08:03, Caldarale, Charles R wrote:
> >> X = { a, b, c, d, e }
> >> Y = { c, d, e }
>
> > In general, no.  If a, b, and c were char, and d was an int, using
> > typical C alignments, there would be one slack byte between c and d
> > in X, whereas there would be three in Y.  You could probably force
> > what you want with packed structures or by playing with the data
> > layout setting.
>
> Yes, I forgot about the simple scenario. If I force the alignment on "c"
> should I be okay? That is, if I force it to the maximum alignment for
> the platform will { c, d, e } always have the same layout?
>
>
>
> --
> edA-qa mort-ora-y
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